Helios 30S is an ion-exchange resin based on highly cross-linked porous polystyrene-divinylbenzene (PS/DVB) monodisperse microspheres. Chemical compounds are bonded to the surface of the microspheres, giving a highly stable hydrophilic layer. Helios 30S has the characteristics of high flow rate, high resolution, high capacity, high rigidity, good biocompatibility, and physical and chemical stability. Compared with traditional chromatography media, it significantly improves the production efficiency and sample recovery rate of the downstream purification process, and is widely used in the capture, intermediate purification and fine purification of biomolecules such as antibodies, proteins, peptides and nucleic acids.